CN105527499A - Grounding resistance detection and analysis system with automatic alarm function - Google Patents
Grounding resistance detection and analysis system with automatic alarm function Download PDFInfo
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- CN105527499A CN105527499A CN201511030129.8A CN201511030129A CN105527499A CN 105527499 A CN105527499 A CN 105527499A CN 201511030129 A CN201511030129 A CN 201511030129A CN 105527499 A CN105527499 A CN 105527499A
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- 238000001514 detection method Methods 0.000 title abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 8
- 238000013459 approach Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000011664 signaling Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
- G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
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Abstract
The invention discloses a grounding resistance detection and analysis system with an automatic alarm function. The system comprises a detector, a communication circuit, a transmitting circuit, a power supply, an alarm circuit, a receiving circuit and a ground grid, wherein the transmitting circuit is connected with the communication circuit via a bus, the communication circuit is connected with the detector via a bus, the detector is connected with the ground grid, the power supply is connected with the detector and supplies DC6V power to the detector, the receiving circuit is connected with the communication circuit, and the alarm circuit is connected with the communication circuit. When the grounding resistance does not meet the requirement during grounding detection, an alarm is given in time at the test node, so that people within the area are reminded not to approach, disasters caused by bad grounding are avoided, and the safety of life is effectively guaranteed; and the whole system is scientific in design and convenient to use, and has a two-stage linkage function.
Description
Technical field
The present invention relates to the field such as power technology, stake resistance (connecing Low ESR) technology, specifically, is a kind of insulating resistance measuring analytic system with auto-alarm function.
Background technology
Stake resistance is that electric current flows into the earth again through greatly flowing to another grounding body or distally spreading the resistance run into by earthing device.Grounding resistance embody electric device with " " good degree that contacts and reflect the scale of grounded screen.
The especially large electrical equipment of a lot of household electrical appliance is as refrigerator, and washing machine, the power lead that air-conditioning etc. use is all three cores.As long as in fact use the electrical equipment of general civil power to have zero line and live wire two just can normally work.This root line additional is exactly ground wire, and that is these electrical equipment must ground connection.
The introducing of grounding technology is the protective measure taked to prevent the equipment such as electric power or electronics to be struck by lightning at first, and object is that the thunder-strike current that thunder and lightning produces is incorporated into the earth by lightning rod, thus plays the effect of architecture protection thing.Simultaneously; ground connection is also a kind of effective means of protection personal safety; the phase line caused when certain reason is (as wire insulation is bad; aging circuit etc.) and device housings touches time; the shell of equipment will produce by dangerous voltage; the electric current generated thus through protection ground wire to the earth, thus will play personal safety protective effect.
Stake resistance is just used to weigh a whether good important parameter of ground state, that electric current flows into the earth again through greatly flowing to another grounding body or distally spreading the resistance run into by earthing device, it comprises the resistance of ground wire and grounding body itself, contact resistance between grounding body and the resistance of the earth, and between two grounding bodies the resistance of the earth or grounding body to the ground resistance of unlimited distance.Stake resistance size directly represent electric device with " " good degree that contacts, also reflects the scale of grounded screen.The concept of stake resistance is only applicable to small-sized grounded screen; Along with the increasing of grounded screen floor area and the reduction of soil resistivity, in impedance ground, the effect of perceptual weight is increasing, and large ground network should adopt impedance ground to design.
For high pressure and EHV Substation, " stake resistance " should be replaced by the concept of " impedance ground ", advise that code adopts touch voltage and step voltage as safety criterion simultaneously; Also should select correct result that is light, the impedance ground of different-frequency measure system acquisition accurately, to ensure the safety of the person, equipment, be beneficial to the safe operation of electric system.
Summary of the invention
The object of the invention is to design a kind of insulating resistance measuring analytic system with auto-alarm function, build a kind of stake resistance (impedance ground) test macro, when carrying out earthing detection, when occur grounding resistance do not conform to symbol require time, to report to the police at test node place, place timely, thus the personnel in prompting region can not be close, avoid the transmission of the disaster accident occurred because of imperfect earth, the effective guarantee safety of life, whole system has design science, easy to use, the function of two-stage interlock.
The present invention is achieved through the following technical solutions: a kind of insulating resistance measuring analytic system with auto-alarm function, comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, build a kind of stake resistance (impedance ground) test macro, when carrying out earthing detection, when occur grounding resistance do not conform to symbol require time, to report to the police at test node place, place timely, thus the personnel in prompting region can not be close, avoid the transmission of the disaster accident occurred because of imperfect earth, the effective guarantee safety of life, whole system has design science, easy to use, the function of two-stage interlock.
Further, to better implement the present invention, make detector survey stake resistance (connecing Low ESR) resistance can mail to overall control center timely, there is provided decision-making foundation to overall control center, be provided with following structure especially: described radiating circuit adopts the wireless network radiating circuit based on GPRS network or 3G network or 4G network.
Further, to better implement the present invention, the grounding resistance that other earth points can be made to detect also mails to the data foundation of overall control center as decision-making, is provided with following structure especially: described communicating circuit is also connected with other earth points.
Further, to better implement the present invention, make the connection between detector and electrical network A convenient, detected value is more stable, is provided with following structure especially: the movable joint equipment that detector and electrical network A are connected adopted is at least one.
Further, to better implement the present invention, make the data communication between communicating circuit and detector tens on km distance under also can not suppressed, signal weaker or loss, also be convenient to connection between the two simultaneously, be set to following structure especially: communicating circuit adopts RS485 bus by the described bus connecting detector.
Further, to better implement the present invention, the data communication between communicating circuit and radiating circuit can adopt serial transmission mode to transmit, and is set to following structure especially: the described bus that radiating circuit leads to connecting communication circuit adopts RS232 bus.
Further, to better implement the present invention, the connection between detector and pole line is more firm, and testing result is more true, is set to following structure especially: the movable joint equipment that another earth terminal of detector is connected adopted with pole line is at least 2.
Further, to better implement the present invention, adopt non-cpntact measurement, ground wire punching by, without the need to self-inspection, detect in real time, the mode of remote monitoring carries out stake resistance (connecing Low ESR) detection, and realizing the on-line checkingi of high stability, high reliability, the following structure of special employing: described detector adopts non-contact grounding resistance on-line detector.
Further, to better implement the present invention, make alerting signal hommization more, be arranged to following structure especially: described warning circuit adopts audible-visual annunciator and/or phonetic alarm.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention builds a kind of stake resistance (impedance ground) test macro, when carrying out earthing detection, when occur grounding resistance do not conform to symbol require time, to report to the police at test node place, place timely, thus the personnel in prompting region can not be close, avoids the transmission of the disaster accident occurred because of imperfect earth, the effective guarantee safety of life, whole system has design science, easy to use, the function of two-stage interlock.
(2) the present invention utilizes the technical approach automatically gathered to test stake resistance (connecing Low ESR), and timely surveyed resistance is sent to overall control center, determine that to facilitate overall control center whether the grounding resistance of institute monitoring point is qualified, avoid the situation occurring imperfect earth to occur, and then avoid the generation occurring life security accident.
(3) the present invention according to actual needs, between radiating circuit, communicating circuit and detector, adopt different communication protocol mode to carry out data transmission, can reach stable, effective, object that data are not lost, remote grounding resistance collection can be completed simultaneously.
(4) the present invention adopt can non-cpntact measurement, ground wire punching by, to carry out the non-contact grounding resistance on-line detector that stake resistance (connecing Low ESR) detects without the need to the mode of self-inspection, in real time detection, remote monitoring, the on-line checkingi of high stability, high reliability can be realized.
(5) warning circuit of the present invention adopts audible-visual annunciator and/or phonetic alarm that conventional sound and light program can be utilized to remind the personnel in region dangerous, the mode simultaneously also utilizing voice directly to point out warns the personnel in region, what occur is which kind of is dangerous, and effectively point out jeopardously position, avoid the curious factor of people haunt down and cause the generation of tragedy.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, a kind of insulating resistance measuring analytic system with auto-alarm function, as shown in Figure 1, concrete technical scheme is as follows: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit; Described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, and the other end of described pole line connects earth mat B by movable joint equipment through ground lead.
Movable joint equipment, facilitates line and line or the wiring unit between equipment and line for a kind of.
Overall control center sends detection signal, accept through receiving circuit and resolve, resolve generate data by by the bus transfer between receiving circuit and communicating circuit in communicating circuit, the information of the grounding resistance that will gather certain node is sent on the detector of this Nodes by connecting with the bus on detector after making further and analyzing by communicating circuit, the grounding resistance of this node is tested and generates data back to communicating circuit by the detector of this Nodes in real time, communicating circuit is back to radiating circuit, radiating circuit is sent to overall control center, overall control center will according to acquired results, do corresponding decision-making, and when there are differences between the grounding resistance detected and nominal resistance, communicating circuit carries out corresponding alarm by signaling according to different difference class value to warning circuit, build a kind of stake resistance (impedance ground) test macro, when carrying out earthing detection, when occur grounding resistance do not conform to symbol require time, to report to the police at test node place, place timely, thus the personnel in prompting region can not be close, avoid the transmission of the disaster accident occurred because of imperfect earth, the effective guarantee safety of life, whole system has design science, easy to use, the function of two-stage interlock, the technical approach automatically gathered is utilized to test stake resistance (connecing Low ESR), and timely surveyed resistance is sent to overall control center, determine that to facilitate overall control center whether the grounding resistance of institute monitoring point is qualified, the situation occurring imperfect earth is avoided to occur, and then avoid the generation occurring life security accident.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, make detector survey stake resistance (connecing Low ESR) resistance can mail to overall control center timely, decision-making foundation is provided to overall control center, as shown in Figure 1, be provided with following structure especially: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and described radiating circuit adopts the wireless network radiating circuit based on GPRS network or 3G network or 4G network.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, the grounding resistance that other earth points can be made to detect also mails to the data foundation of overall control center as decision-making, as shown in Figure 1, be provided with following structure especially: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and described communicating circuit is also connected with other earth points.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, make the connection between detector and electrical network A convenient, detected value is more stable, as shown in Figure 1, be provided with following structure especially: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and the movable joint equipment that detector and electrical network A are connected adopted is at least one.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, make the data communication between communicating circuit and detector tens on km distance under also can not be suppressed, signal weaker or loss, also be convenient to connection between the two simultaneously, as shown in Figure 1, be set to following structure especially: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and communicating circuit adopts RS485 bus by the described bus connecting detector.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, data communication between communicating circuit and radiating circuit can adopt serial transmission mode to transmit, as shown in Figure 1, be set to following structure especially: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and the described bus that radiating circuit leads to connecting communication circuit adopts RS232 bus.
Embodiment 7:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, connection between detector and pole line is more firm, testing result is truer, as shown in Figure 1, be set to following structure especially: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and the movable joint equipment that another earth terminal of detector is connected adopted with pole line is at least 2.
Embodiment 8:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, adopt non-cpntact measurement, ground wire punching is passed through, without the need to self-inspection, real-time detection, the mode of remote monitoring is carried out stake resistance (connecing Low ESR) and is detected, and realize high stability, the on-line checkingi of high reliability, as shown in Figure 1, the following structure of special employing: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit, described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, the other end of described pole line connects earth mat B by movable joint equipment through ground lead, and described detector adopts non-contact grounding resistance on-line detector.
Embodiment 9:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, make alerting signal hommization more, be arranged to following structure especially: described warning circuit adopts audible-visual annunciator and/or phonetic alarm, adopt audible-visual annunciator and/or phonetic alarm that conventional sound and light program can be utilized to remind the personnel in region dangerous, the mode simultaneously also utilizing voice directly to point out warns the personnel in region, what occur is which kind of is dangerous, and effectively point out jeopardously position, the curious factor of people is avoided to haunt down and cause the generation of tragedy.
The present invention builds a kind of stake resistance (impedance ground) test macro, when carrying out earthing detection, when occur grounding resistance do not conform to symbol require time, to report to the police at test node place, place timely, thus the personnel in prompting region can not be close, avoids the transmission of the disaster accident occurred because of imperfect earth, the effective guarantee safety of life, whole system has design science, easy to use, the function of two-stage interlock.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the insulating resistance measuring analytic system with auto-alarm function, it is characterized in that: comprise detector, communicating circuit, radiating circuit, power supply, warning circuit, receiving circuit and earth mat, described radiating circuit is by bus connecting communication circuit, described communicating circuit connects detector by bus, described detector connects earth mat, described power supply connects detector to detector by DC6V power supply, described receiving circuit connecting communication circuit, described warning circuit connecting communication circuit; Described earth mat comprises electrical network A and earth mat B, an earth terminal of described detector is by cable and movable joint equipment connection electrical network A, another earth terminal of described detector is by one end of cable and movable joint equipment connection pole line, and the other end of described pole line connects earth mat B by movable joint equipment through ground lead.
2. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: described radiating circuit adopts the wireless network radiating circuit based on GPRS network or 3G network or 4G network.
3. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: described communicating circuit is also connected with other earth points.
4. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: the movable joint equipment that described detector is connected adopted with described electrical network A is at least one.
5. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: described communicating circuit adopts RS485 bus by the described bus connecting detector.
6. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: the described bus that described radiating circuit leads to connecting communication circuit adopts RS232 bus.
7. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: the movable joint equipment that another earth terminal of described detector is connected adopted with pole line is at least 2.
8. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1 or 4 or 7, is characterized in that: described detector adopts non-contact grounding resistance on-line detector.
9. a kind of insulating resistance measuring analytic system with auto-alarm function according to claim 1, is characterized in that: described warning circuit adopts audible-visual annunciator and/or phonetic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030129.8A CN105527499A (en) | 2015-12-31 | 2015-12-31 | Grounding resistance detection and analysis system with automatic alarm function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511030129.8A CN105527499A (en) | 2015-12-31 | 2015-12-31 | Grounding resistance detection and analysis system with automatic alarm function |
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| CN201511030129.8A Pending CN105527499A (en) | 2015-12-31 | 2015-12-31 | Grounding resistance detection and analysis system with automatic alarm function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018968A (en) * | 2016-05-23 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Grounding resistance detecting and analyzing device of LiFi (Light Fidelity) technology |
| CN105999605A (en) * | 2016-05-23 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Intelligent prewarning device based on indoor LED visible light communication lifi technology |
| CN106053948A (en) * | 2016-06-01 | 2016-10-26 | 苏州迈奇杰智能技术有限公司 | Resistance detection and analysis system with visible light communication automatic alarming function |
| CN106771631A (en) * | 2016-12-27 | 2017-05-31 | 西安亚能电气有限责任公司 | A kind of down conductor conducting resistance test device |
| CN108918975A (en) * | 2018-04-06 | 2018-11-30 | 盐城同舟电气有限公司 | It is a kind of for estimating the equipment of the grounding connection resistance of electrical devices |
| CN110850332A (en) * | 2019-11-20 | 2020-02-28 | 深圳市奇辉电气有限公司 | Trend statistical type grounding body monitoring method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221644A (en) * | 2011-03-15 | 2011-10-19 | 珠海威瀚科技发展有限公司 | System and method for online monitoring grounding networks of power stations and substations |
| CN202994910U (en) * | 2012-12-28 | 2013-06-12 | 广州市铱泰电子科技有限公司 | On-line detector and system for non-contact grounding resistor |
| EP2772767A1 (en) * | 2013-03-02 | 2014-09-03 | Fluke Corporation | Earth ground tester with remote control |
| CN204789765U (en) * | 2015-07-14 | 2015-11-18 | 中山市新立防雷器材有限公司 | A wiring structure for monitoring grounding resistance of lightning protection grounding grid |
-
2015
- 2015-12-31 CN CN201511030129.8A patent/CN105527499A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221644A (en) * | 2011-03-15 | 2011-10-19 | 珠海威瀚科技发展有限公司 | System and method for online monitoring grounding networks of power stations and substations |
| CN202994910U (en) * | 2012-12-28 | 2013-06-12 | 广州市铱泰电子科技有限公司 | On-line detector and system for non-contact grounding resistor |
| EP2772767A1 (en) * | 2013-03-02 | 2014-09-03 | Fluke Corporation | Earth ground tester with remote control |
| CN204789765U (en) * | 2015-07-14 | 2015-11-18 | 中山市新立防雷器材有限公司 | A wiring structure for monitoring grounding resistance of lightning protection grounding grid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018968A (en) * | 2016-05-23 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Grounding resistance detecting and analyzing device of LiFi (Light Fidelity) technology |
| CN105999605A (en) * | 2016-05-23 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Intelligent prewarning device based on indoor LED visible light communication lifi technology |
| CN106053948A (en) * | 2016-06-01 | 2016-10-26 | 苏州迈奇杰智能技术有限公司 | Resistance detection and analysis system with visible light communication automatic alarming function |
| CN106771631A (en) * | 2016-12-27 | 2017-05-31 | 西安亚能电气有限责任公司 | A kind of down conductor conducting resistance test device |
| CN108918975A (en) * | 2018-04-06 | 2018-11-30 | 盐城同舟电气有限公司 | It is a kind of for estimating the equipment of the grounding connection resistance of electrical devices |
| CN110850332A (en) * | 2019-11-20 | 2020-02-28 | 深圳市奇辉电气有限公司 | Trend statistical type grounding body monitoring method and device |
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Application publication date: 20160427 |
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